<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>内部样式</title>
		<style>
			p {
				height: 100px;
				background-color: red;
			}
		</style>
	</head>
	<body>
		<p>我是p标签</p>
	</body>
</html>